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diff --git a/Bachelor/Prog1/examples/ch08/Fig08_07_09/String1.cpp b/Bachelor/Prog1/examples/ch08/Fig08_07_09/String1.cpp
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+// Fig. 8.8: string1.cpp

+// Member function definitions for class String.

+#include <iostream>

+

+using std::cout;

+using std::endl;

+

+#include <iomanip>

+

+using std::setw;

+

+#include <new>        // C++ standard "new" operator

+

+#include <cstring>    // strcpy and strcat prototypes

+#include <cstdlib>    // exit prototype

+

+#include "string1.h"  // String class definition

+

+// conversion constructor converts char * to String

+String::String( const char *s ) 

+   : length( ( s != 0 ) ? strlen( s ) : 0 )

+{

+   cout << "Conversion constructor: " << s << '\n';

+   setString( s );         // call utility function

+

+} // end String conversion constructor

+

+// copy constructor

+String::String( const String &copy ) 

+   : length( copy.length )

+{

+   cout << "Copy constructor: " << copy.sPtr << '\n';

+   setString( copy.sPtr ); // call utility function

+

+} // end String copy constructor

+

+// Destructor

+String::~String()

+{

+   cout << "Destructor: " << sPtr << '\n';

+   delete [] sPtr;         // reclaim string

+

+} // end ~String destructor

+

+// overloaded = operator; avoids self assignment

+const String &String::operator=( const String &right )

+{

+   cout << "operator= called\n";

+

+   if ( &right != this ) {         // avoid self assignment

+      delete [] sPtr;              // prevents memory leak

+      length = right.length;       // new String length

+      setString( right.sPtr );     // call utility function

+   }

+

+   else

+      cout << "Attempted assignment of a String to itself\n";

+

+   return *this;   // enables cascaded assignments

+

+} // end function operator=

+

+// concatenate right operand to this object and

+// store in this object.

+const String &String::operator+=( const String &right )

+{

+   size_t newLength = length + right.length;   // new length

+   char *tempPtr = new char[ newLength + 1 ];  // create memory

+

+   strcpy( tempPtr, sPtr );                 // copy sPtr

+   strcpy( tempPtr + length, right.sPtr );  // copy right.sPtr

+

+   delete [] sPtr;      // reclaim old space

+   sPtr = tempPtr;      // assign new array to sPtr

+   length = newLength;  // assign new length to length

+

+   return *this;  // enables cascaded calls

+

+} // end function operator+=

+

+// is this String empty?

+bool String::operator!() const 

+{ 

+   return length == 0; 

+

+} // end function operator! 

+

+// Is this String equal to right String?

+bool String::operator==( const String &right ) const

+{ 

+   return strcmp( sPtr, right.sPtr ) == 0; 

+

+} // end function operator==

+

+// Is this String less than right String?

+bool String::operator<( const String &right ) const

+{ 

+   return strcmp( sPtr, right.sPtr ) < 0; 

+

+} // end function operator<

+

+// return reference to character in String as lvalue

+char &String::operator[]( int subscript )

+{

+   // test for subscript out of range

+   if( subscript < 0 || subscript >= length ) {

+      cout << "Error: Subscript " << subscript 

+           << " out of range" << endl;

+

+      exit( 1 );  // terminate program

+   }

+

+   return sPtr[ subscript ];  // creates lvalue

+

+} // end function operator[]

+

+// return reference to character in String as rvalue

+const char &String::operator[]( int subscript ) const

+{

+   // test for subscript out of range

+   if( subscript < 0 || subscript >= length ) {

+      cout << "Error: Subscript " << subscript 

+           << " out of range" << endl;

+

+      exit( 1 );  // terminate program

+   }

+

+   return sPtr[ subscript ];  // creates rvalue

+

+} // end function operator[]

+

+// return a substring beginning at index and

+// of length subLength

+String String::operator()( int index, int subLength )

+{

+   // if index is out of range or substring length < 0, 

+   // return an empty String object

+   if ( index < 0 || index >= length || subLength < 0 )  

+      return "";  // converted to a String object automatically

+

+   // determine length of substring

+   int len;

+

+   if ( ( subLength == 0 ) || ( index + subLength > length ) )

+      len = length - index;

+   else

+      len = subLength;

+

+   // allocate temporary array for substring and 

+   // terminating null character

+   char *tempPtr = new char[ len + 1 ];

+

+   // copy substring into char array and terminate string

+   strncpy( tempPtr, &sPtr[ index ], len );

+   tempPtr[ len ] = '\0';

+

+   // create temporary String object containing the substring

+   String tempString( tempPtr );

+   delete [] tempPtr;  // delete temporary array

+

+   return tempString;  // return copy of the temporary String

+

+} // end function operator()

+

+// return string length

+int String::getLength() const 

+{ 

+   return length; 

+

+} // end function getLenth

+

+// utility function called by constructors and operator=

+void String::setString( const char *string2 )

+{

+   sPtr = new char[ length + 1 ]; // allocate memory

+

+   // if string2 is not a null pointer, copy contents 

+   if ( string2 != 0 )

+      strcpy( sPtr, string2 );    // copy literal to object

+

+   // if string2 is a null pointer, make this an empty string

+   else

+      sPtr[ 0 ] = '\0';           // empty string

+

+} // end function setString 

+

+// overloaded output operator

+ostream &operator<<( ostream &output, const String &s )

+{

+   output << s.sPtr;

+

+   return output;   // enables cascading

+

+} // end function operator<<

+

+// overloaded input operator

+istream &operator>>( istream &input, String &s )

+{

+   char temp[ 100 ];   // buffer to store input

+

+   input >> setw( 100 ) >> temp;

+   s = temp;        // use String class assignment operator

+

+   return input;    // enables cascading

+

+} // end function operator>>

+

+/**************************************************************************

+ * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice      *

+ * Hall. All Rights Reserved.                                             *

+ *                                                                        *

+ * DISCLAIMER: The authors and publisher of this book have used their     *

+ * best efforts in preparing the book. These efforts include the          *

+ * development, research, and testing of the theories and programs        *

+ * to determine their effectiveness. The authors and publisher make       *

+ * no warranty of any kind, expressed or implied, with regard to these    *

+ * programs or to the documentation contained in these books. The authors *

+ * and publisher shall not be liable in any event for incidental or       *

+ * consequential damages in connection with, or arising out of, the       *

+ * furnishing, performance, or use of these programs.                     *

+ *************************************************************************/
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